C31232233133313221211113313331333133313331212111133132322133313231133132322131   >>    C3123223313331322121111331333133313331333121211113313232213331323113313232213   <<    C31232233133313221211113313331333133313331212111133132322133313231133132322133   >>      C31232233133313221211113313331333133313331212111133132322133313231133132322132   >>